After Shen Qingwan returned from rebirth, she met her sister Shen Qingyue who was also reborn and refused to marry the prince and wanted to marry the playboy Qin Zhao. She followed the trend and took over the position of crown princess, but she didn't know that Qin Zhao had already changed his mind and turned into an ambitious time traveler. Relying on the memories of his past life, Shen Qingwan took care of the East Palace step by step, assisted Prince Jingshi, exposed Shen Qingyue's plagiarism farce, intercepted Hu Qinzhao's plan, and made his plans to rely on "novel creations" to seize the powerful come to nothing one after another. In the end, the people of Qin and Zhao betrayed their relatives and separated, and Shen Qingyue suddenly realized that he had killed the scumbag. Shen Qingwan joined hands with Jing Shi to keep the stability of his family and country, secure his position in the rear, and finally achieve perfection.